JP2006520628A - Device for securing a catheter to a patient's body - Google Patents

Device for securing a catheter to a patient's body Download PDF

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Publication number
JP2006520628A
JP2006520628A JP2006505708A JP2006505708A JP2006520628A JP 2006520628 A JP2006520628 A JP 2006520628A JP 2006505708 A JP2006505708 A JP 2006505708A JP 2006505708 A JP2006505708 A JP 2006505708A JP 2006520628 A JP2006520628 A JP 2006520628A
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Japan
Prior art keywords
chamber
case
pedestal
catheter
lid
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Granted
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JP2006505708A
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Japanese (ja)
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JP4573830B2 (en
Inventor
フランシス ナバーロ
ボゼック ジャック ル
Original Assignee
フランシス ナバーロ
ボゼック ジャック ル
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Priority to FR0303350A priority Critical patent/FR2852520B1/en
Application filed by フランシス ナバーロ, ボゼック ジャック ル filed Critical フランシス ナバーロ
Priority to PCT/FR2004/000560 priority patent/WO2004087250A1/en
Publication of JP2006520628A publication Critical patent/JP2006520628A/en
Application granted granted Critical
Publication of JP4573830B2 publication Critical patent/JP4573830B2/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M25/01Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/02Holding devices, e.g. on the body
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M25/01Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/02Holding devices, e.g. on the body
    • A61M2025/0246Holding devices, e.g. on the body fixed on the skin having a cover for covering the holding means
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M25/01Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/02Holding devices, e.g. on the body
    • A61M2025/028Holding devices, e.g. on the body having a mainly rigid support structure

Abstract

The present invention relates to a device for anchoring a catheter, such as a peripheral venous catheter, central venous catheter or central arterial catheter, to a patient's body.
This device has a case (5) that can be closed with a lid (6), surrounds the case, and allows the case (5) to be fixed to the patient's skin, combined with the case (5). The case includes a first chamber (8) traversed by an outer portion of the catheter (1) disposed in the vein and a second for storing and maintaining the catheter. Includes chamber (9).
The present invention is applied to the medical field.

Description

  The present invention relates to a device for fixing a puncture needle, such as a peripheral venous catheter, a central venous catheter, a central arterial catheter, or a right-angled elbow-shaped oubert needle to a patient's body.

  Administration of pharmaceuticals into the circulatory tissue of the human body is performed via veins or via arteries.

  In order to administer a medicine, it is necessary to install a catheter composed of a tube having a diameter smaller than that of a blood vessel, whether it is a vein or an artery. Such catheters can be used not only for the administration of pharmaceuticals but also for capturing blood pressure in venous tissue or arterial tissue.

  Usually, there are two types of catheters. Peripheral venous catheter and central venous catheter or arterial catheter.

  Peripheral venous catheters are placed at the level of peripheral veins, ie usually placed at the level of the patient's upper limb, and the target vein can be a vein in the forearm or a vein inside the elbow. Within this type of catheter, it is placed in a peripheral vein for the administration of drugs or solutions for a few hours or a relatively short period of time, with a simple adhesive to fix the part coming out of the vein to the patient's skin A relatively short single venous catheter about 5-6 cm long is known. The puncture point can change several times depending on the resistance of the peripheral vein.

  A central venous catheter or central arterial catheter is placed in the deep venous axis, i.e., in a thick vein. It is usually placed in the internal or external jugular vein, subclavian vein or femoral vein.

  The placement of the catheter is performed through the skin, that is, in an area where there is a vein in the skin where the catheter is to be placed. To that end, a trocar, a kind of strut, with a syringe on the opposite end of the part inserted into the vein, allowing venous blood to be sucked through the catheter intravenously. The skin is punctured until the trocar is positioned in the venous axis and the catheter can be placed in the thickest vein so that the catheter is inserted after the syringe is removed.

  In central venous catheters or central arterial catheters, the catheter is connected to the support at the opposite end of the part inserted into the thick vein, i.e. just at the skin level. The support is usually made of hard plastic and serves as a connection between the catheter and one or more catheters or up to five external tubes and can be administered at the same time in different cases. The above-mentioned support part can flow through the catheters or the outer tube, and is then introduced into a catheter installed in a thick vein. The support part is generally triangular and sometimes circular in shape, and includes two external wings for fixing the support part to the patient's skin via sutures.

However, the means for securing the catheters to the skin has the major drawback of becoming a pool of contaminants at the level of the puncture point and the entry point of the venous or arterial catheter, thus preventing contamination that could cause sepsis. In order to do this, it is necessary to wrap the bandage on a daily basis.
Also, when the bandage is placed at the level of the femoral vein or jugular vein, it is very bulky in the zone anatomic and is restricted and difficult for patients holding a central venous catheter.

  In addition, as already described, catheters via central veins have the disadvantage of using sutures to secure the catheter support where the external catheters are gathered, along with the practitioner, ie resuscitation. There is a risk to the surgeon and nurse.

  In addition, administration of chemotherapeutic preparations can also be done by a central venous route, i.e. by placing the catheter in a thick vein, usually under the skin at the level of the patient's right or left chest. Connected to the implanted injection chamber. Access to the infusion chamber is at the level of the internal carotid artery, the hypodermic infusion chamber is punctured with a right-angle elbow-type Hubert needle, and the right-angle elbow-type Hubert needle is administered in good condition, Leave in place during continuous infusion. The installation of the above Hubert needle needs to be able to be maintained on the skin with adhesive means, but the adhesive means is not adapted and may cause infections at the skin puncture point in some cases obtain. Therefore, bandages and protective gauze are needed to prevent infections and allow chemotherapy.

  The present invention proposes a device that allows protection of the skin puncture area that often becomes the nest of infections, adjusts the puncture point, and avoids the use of daily bandages for wound cleaning Therefore, the purpose is to eliminate the above-mentioned drawbacks.

  Therefore, the present invention includes a base united with the case, which has a case that can be closed with a lid, surrounds the case, and allows the case to be fixed to the patient's skin. Is located above two interconnected chambers, ie, the catheter or puncture area, traversed by an external portion of the catheter placed in a vein or artery or a Hubert needle embedded in the patient's body A first chamber having a second chamber allowing the storage of a catheter or hubert needle pedestal, the pedestal being moored in the second chamber, the pedestal passing liquid through the pedestal to the catheter or hubert needle A catheter such as a peripheral venous catheter, a central venous catheter or a central arterial catheter, or a right angle elbow, characterized in that it is connected to at least one outer tube To propose a locking device to the patient, such as puncture needle of the veil needle body.

When the device is used to secure a catheter, the support base of the device is a small tank for connection to the outer tube, the case of the device is flat, and the case has a relatively low height. And the first chamber and the second chamber are located on substantially the same plane,
The lid includes two ridges in its inward plane, the two ridges being both at the flat bottom of the second chamber, which is also fixed on the patient's skin when the lid is closed. Enter the second chamber to support the catheter base from the side.

  The two raised portions are respectively supported by two small wings extending on both sides of the side surface of the catheter base to hold the catheter base at the bottom of the second chamber when the lid is closed. .

  The first chamber and the second chamber are separated from each other by a partition wall, and the upper surface of the partition wall is located on the upper surface of the case, and is perpendicular to the bottom of the second chamber and toward the first chamber. The pedestal is shaped to fit the side wall of the passage so that the pedestal of the catheter can be anchored and partially fit within the passage, including a passage limited to two narrowing side walls. It has the side surface of the extended shape of the side surface of the two raised parts.

  The first chamber has a bottom made up of a relatively thin membrane that is secured on the patient's skin, and the first chamber has a catheter pedestal and a hole that becomes the catheter passage.

  The thin membrane includes a slit originating from the edge that defines the hole that becomes the passage.

  According to one alternative embodiment, the lid includes two other raised portions on the inner surface of the lid, the two raised portions of the catheter being placed in the vein when the lid is closed. It enters into the first chamber so as to be disposed on both sides of the outer portion, seals most of the first chamber, and is supported on the patient's skin.

  Each of the raised portions includes a colloid that may contain an antiseptic or antibacterial substance on the surface that comes into contact with the skin.

  The case receives at least one outer tube connected to the catheter pedestal on the upper surface of the case defining the second chamber on the opposite side of the passage between the first chamber and the second chamber. Including at least one longitudinal groove on the inner surface of the lid that comes above the groove of the case to hold the outer tube against the case when the lid is closed; The tube exiting the case can be connected to means for continuous infusion, transfusion or blood collection of the drug.

  The second chamber leads directly to the first chamber for fixation of the central arterial catheter, and the second chamber can be united with the pedestal so that the pedestal of the central arterial catheter can be moored in the case when the lid is closed. In order to form the storage portion to be formed, the hollow portion is formed between the two raised portions of the lid and has a shape that cooperates with the same hollow portion.

  The pedestal for fixing the case is made of a sheet made of a flexible material related to the molding of the case. In some cases, the membrane of the first chamber and the bottom surface of the second chamber supported on the patient's skin and the membrane The surface is continuous with the bearing surface of the pedestal on the skin.

  The fixing base of the case includes at least two supporting flat plate portions each having an ear shape.

  The fixing pedestal includes four support flat plate portions each having an ear shape.

  The lid is hingedly connected to the case and can be locked to the case with a ratchet device.

  The fixing base of the case is fixed to the patient's skin with a colloid that may contain antiseptic or antibacterial substances.

  According to another embodiment for fixing a right angle elbow type Hubert needle, the second chamber is formed through the wall of the case and communicates directly with the first chamber at the top of the first chamber. The cross section of the two chambers is U-shaped, and the side wall of the second chamber extends from the first chamber so that it can accommodate a truncated cone-shaped pedestal that is paired with the second chamber for the Hubert needle. The base of the Hubert needle is moored in the second chamber by at least two opposing finger members fixed to each of the side walls of the second chamber in contact with the flat upper surface of the case. The opposing finger-like member can be elastically deformed toward the bottom of the second chamber because the base can be fitted into the second chamber by fitting through the finger-like member. Ride on the pedestal to moor in the second chamber.

  The apparatus includes two finger-shaped members that are elastically deformable and that are disposed on top of the side wall that communicates with the second chamber and that are spaced apart from each other in the longitudinal direction along the side wall. .

  The throat portion is installed between two pairs of fingers that are spaced apart from each other in the second chamber, and the throat portion is a truncated cone of the base of the hubert needle in the mounting position of the hubert needle in the case. In order to receive the raised portion for connection of the outer pipe at the end of the shape.

  The overall shape of the case is in the shape of a bell, and the second chamber communicates outward from the wall surface of the case. The second chamber of the case is the lower part of the pedestal and the pedestal corresponding to the case. In order to give the part some flexibility, the corresponding pedestal part includes a notch.

  The wall on the opposite side of the case wall that contains the notch also includes a notch that releases the corresponding part of the pedestal of the case, which provides some flexibility to this corresponding part of the pedestal. Bring.

  The case is fixed to the patient's body so that the first chamber is located directly above the chamber embedded under the skin, and the base of the Hubert needle is fixed to the second chamber, Allows the free end of a Hubert needle to be introduced into an embedded chamber for administration of a chemotherapeutic formulation.

  The invention will be further understood by reference to the drawings, which are given by way of illustration only of embodiments shown by way of example only, in which: Will become more apparent.

  The device shown in FIGS. 1 to 4 is applied to secure a central venous catheter 1 to a patient's body according to the technique described above in a thick vein 2 of the patient's body by a subcutaneous route. The support pedestal 3, which is connected to the support pedestal 3 and has an outer part 1 a protruding from the skin P and is airtight and constitutes a small tank, is at the opposite end of the catheter 1. , Connected to at least one catheter or outer tube 4 through which fluid is passed through the catheter 1 for administering pharmaceuticals into the tank 1. One to five outer catheters 4 can be connected to the tank 1 in order to administer a plurality of medicaments into the vein 2 through the tank 3 and the venous catheter 1. Of course, each outer catheter 4 can be connected to a known continuous drug delivery means.

  According to the present invention, the device is flat and thus from a case 5 which can be closed with a lid 6 hinged to one side wall of a relatively thin case, for example about 8 to 10 mm. Become.

  The device further includes a pedestal 7 fixed to the case 5 that surrounds the case so that the case can be fixed to the patient's skin P with colloid.

  The case 5 has two chambers communicating with each other, that is, a first chamber 8 crossing the bottom of the case, through which the outer portion 1a of the catheter 1 passes and is located directly above the puncture site of the catheter 1. It includes a second chamber 9 in which a tank 3 connecting the outer catheter 4 and the venous catheter 1 is stored.

  As shown in FIG. 2, the first chamber 8 can have a semicircular shape when viewed from above, whereas the second chamber 9 can have a rectangular shape.

  Since the case 5 is relatively thin, the first chamber 8 and the second chamber 9 are on substantially the same plane and narrow toward the first chamber 8, which are inclined with respect to each other, at the bottom of the second chamber 9. They are connected to each other via a passage 10 defined in two side walls 11 which are vertical, perpendicular to the second chamber 9 and fixed to the second chamber 9. The passage 10 is formed through a partition wall 12 connected to the bottom of the second chamber 9 adjacent to the first chamber 8, the flat upper surface forming a part of the flat upper surface 5 a of the case 5.

  The tank 3 has a prism shape having a substantially rectangular cross section, and when the tank 3 is stored in the second chamber 9, the side wall portion of the tank 3 arranged perpendicularly to the bottom of the second chamber 9. 3 a is inclined with respect to each other and narrows toward the end of the connection of the tank 3 in the outer part 1 a of the catheter 1.

  The tank 3 can include two small wing portions 3b that are fixed to the side wall portion 3a in a bilaterally symmetrical manner on the longitudinal plane of the tank 3 respectively.

  When the tank 3 is stored in the second chamber 9 of the case 5, the narrowest part of the tank 3 having a nose shape is stored in the passage 10, and the two side wall portions 11 of the passage 10 are It is stored together with the corresponding inclined side wall portion 3a to be supported. As a result, the tank 3 is held in the passage 10 and can no longer move toward the first chamber 8.

  The lid 6 includes two raised portions 13 in the shape of two elongated prisms that are fixed to the inner surface of the lid 6 and arranged symmetrically on the center plane in the longitudinal direction of the lid 6. The side surfaces 13 a that extend vertically and face each other are inclined with respect to each other in the same manner as the inclined side wall portions 3 a of the tank 3. In the closed state of the lid 6, the two raised portions 13 enter the second chamber 9 and are supported by the inclined side wall 13 a of the raised portion in order to support the tank 3 from both sides relatively to the case 5. The tank 3 is obviously supported on the inclined side wall portion 3a. Further, the bulging portion 13 is supported by the two small wing portions 3 b of the tank 3 at the flat surface portion 13 b at the end thereof. Therefore, in the closed state of the lid 6, the tank 3 is completely fixed in the second chamber 9, and accidental withdrawal of the tank 3 is prevented, and as a result, accidental withdrawal of the venous catheter 1 is suppressed. And the risk of significant bleeding is eliminated. The small wing portion 3 b is positioned at the bottom of the second chamber 9 with two tops 9 a that are fixed to the bottom of the second chamber 9 and fit into the two perforations in the small wing 3 b.

  The lid 6 includes two other raised portions 14 fixed to the inner surface of the lid 6 so as to partially seal the first chamber 8 when the lid 6 is closed. The two raised portions 14 are spaced from each other so that the passage 10 is substantially extended when the lid 6 is closed, and are disposed on the left and right sides of the outer portion of the venous catheter 1. Furthermore, the flat surface portion 14a of the raised portion 14 is supported on the skin when the lid 6 is closed, and may preferably contain a disinfectant or antibacterial substance including a colloid. Of course, the outer peripheral wall portion of the raised portion 14 has a shape that cooperates with the peripheral wall portion that defines the first chamber 8 when the lid 6 is closed.

  The case 5 includes a plurality of, in this case, five longitudinal grooves 15, each having a semicircular cross-section, each capable of receiving the outer catheter 4, on the upper surface 5 a opposite the septum 12. . The lid 6 also includes the same longitudinal groove 16 installed on the inner surface of the lid 6, and the groove 16 is a variety of outer catheters 4 connected to the tank 3 when the lid 6 is closed. Can be held at the top of each of the longitudinal grooves 15 of the case 5.

  The lid 6 can be locked with a not-illustrated ratchet means in the closed state of the case 5, which means a semi-cylindrical shape at the free longitudinal edge of the lid 6 on the opposite side of the lid 6 from the hinge connection. It can consist of a groove that receives the part and the semi-cylindrical part and cooperates with the upper outer edge of the case 5.

  The pedestal 7 for fixing the case 5 is flat and solid except where the case 5 on the patient's skin and the lower support surface of the pedestal 7 communicate with the first chamber 8, and the apparatus is fixed. In order to be able to be adapted to the patient's body shape, it is made of a sheet made of a flexible material by molding, for example, together with the lid 6.

  The lid 6 can be formed of a single member by molding, and can be made of plastic, like the case 5 and the base 7.

  According to the first embodiment, the pedestal 7 is located on the opposite side of the first chamber 8 as viewed from above, and the two support flat plate portions 7a and the first chamber 8 each have an ear shape. It has a shape including an arcuate portion 7b located on the opposite side of the supporting flat plate portion 7a. Accordingly, the lid 6 and the case 5 are arc-shaped rectangles when viewed from above.

  The installation of the above-described apparatus is performed as follows. After placing the catheter 1 in a thick vein, the tank 3 and the outer portion 1a of the catheter 1 are inserted through the first chamber 8 of the case 5, and the tank 3 is supported on the bottom of the second chamber 9 in the passage 10 Mates inside. Next, the outer catheter 4 is connected to the tank 3, and the outer catheter 4 is inserted in advance through the window portion 8 before being placed in each groove portion 15 of the case 5. Unless provided in the state of being connected to the tank 3 from the beginning, it is disposed in each groove portion 15. The operator then lowers the lid 6 in order to close the lid 6, so that the raised portion 13 completely secures the tank 3 in the second chamber 9 and the outer catheter 4. A pedestal 7 which is fixed relatively to the case 5 and whose inner surface is coated with a colloid is fixed on the skin of the patient. The colloid applied to the inner surface of the pedestal 7 can be protected with a film (not shown) that is peeled off before the device is secured on the patient's skin. The colloid can contain disinfecting substances to significantly reduce the risk of contamination.

  The lid 6 can be made of a transparent plastic material so that the puncture area of the catheter 1 can be seen.

  In this way, the device described above prevents accidental withdrawal of the tank 3 of the venous catheter 1 and is fully adaptable to the patient's body, thus providing comfort to the patient and making the patient easier Can move to. The device avoids the need to secure the tank-shaped support or pedestal 3 to the skin with sutures.

  The second embodiment of the device of the present invention shown in FIG. 5 is a tank which does not have two raised portions 14 and has an outer portion 1a and a small wing portion 3b after the venous catheter 1 is arranged. 3 differs from the first embodiment only in that it has a relatively thin flexible membrane 17 that becomes the bottom of the first chamber 8 including a hole 18 that allows 3 to pass through. In the case of a circular hole, the membrane 17 is a hole that allows passage of the tank 3 and the small wing 3b of the tank 3 by elastic deformation of the small tongue portion limited between the radially extending slits 19. A slit 19 starting from the edge of the portion 18 can be included. Furthermore, the inner surface of the membrane 19 which is located in the same plane as the inner surface of the pedestal 7 and can be produced by molding together with the pedestal 7 and the case 5 can be coated with a colloid that can adhere the membrane 17 to the patient's skin, The colloid can contain antiseptic or antibacterial substances.

  According to the third embodiment of FIGS. 6 and 7, the case 5 is flat like the above embodiments, and when viewed from above, the case 5 has a semicircular shape. Both sides are two parallel extensions, and on the opposite side of the arcuate front wall, the two parallel extensions are connected at the transverse side that defines the rear wall of the case 5 The second chamber 9 that directly communicates with the first chamber 8 is formed in the upper surface 5a of the case 5 that extends perpendicularly to the straight side wall portion of the semi-circular first chamber 8 when viewed from above. Defined by a linear cutout having a semicircular transverse cross section. In the case of a single-path peripheral venous catheter or arterial catheter, the hollowed-out part 9, ie to receive the cylindrical pedestal 3 of the catheter 1 in which only a single outer catheter is connected to the cylinder 3, It is possible to spread in the shape of a trumpet from the end communicating with the first chamber 8. The cylindrical pedestal can have an overall shape of a tapered truncated cone shaped to cooperate with the receiving second chamber 9. The two raised portions 13 on the inner surface of the lid 6 define a space that is shaped to cooperate with the upper portion 9 of the catheter tube in order to anchor the tube 3 in the case 5 when the cover 6 is closed. . A hollow portion that defines the second chamber 9 is defined on the upper surface by two side planes 9a parallel to the upper surface 5a of the case 5 at the upper portion, and when the cylinder 3 has a truncated cone shape, It is connected to the second chamber 9 by two shoulder portions 9b extending obliquely while spreading on the opposite side. In the closed state of the lid 6, the two raised portions 13 are only supported by the side plane 9 a and the shoulder portion 9 b at the flat surface portion 13 b and the outer side surface portion 13 c of the raised portion 13, respectively.

  The fixing pedestal 7 of the case 5 is limited by four portions 7a having an ear shape arranged symmetrically on the central plane in the longitudinal direction of the apparatus. The apparatus can include a flexible membrane 17 that becomes the bottom of the first chamber 8 as in the second embodiment.

  The device of the fourth embodiment of the present invention, shown in FIGS. 8-14, accesses a catheter connected to a continuous infusion chamber, for example, inserted into the jugular vein and implanted subcutaneously. It is particularly suitable for establishing a right angle elbow-type Hubert needle holding.

  In order to take into account the vertical height of the Hubert needle 1 to be inserted into a chamber whose tip is embedded subcutaneously, the case 5 of the above-described device is provided with the side wall portion of the case 5 in the case of each of the above embodiments. Having a height of more than 5. Thus, the case 5 is placed vertically in the chamber 8 to allow the patient's skin to be inserted through the Hubert needle 1 into the chamber of the Hubert needle 1 that needs to be embedded. It is fixed on the embedded chamber via the pedestal 7.

  The second chamber 9 for receiving the cylinder 3 partially communicates with the upper surface 5 a of the case 5 and in the first chamber 8 at the upper portion of the first chamber 8, and communicates with the case 5 at the upper portion of the case 5. It is formed through the side wall. The second chamber 9 has a substantially U-shaped cross section in the transverse direction of the second chamber 9, and the side wall portion of the second chamber 9 is called Luer, to which the outer pipe 4 can be connected. In order to hold the conical portion for the cooperating of the cylinder 3 constituting the base of the Hubert needle 1 that forms the base that becomes the conical hole-like connecting portion, the trumpet is opened from the first chamber 8 Yes.

  The second chamber 9 having a truncated cone shape for storing the pedestal 3 can be moored in the second chamber 9 on the side wall portion of the second chamber 9. In order to be disposed above the pedestal 3, it is defined by two finger-like members 9c that are exposed together with the upper surface 5a of the pedestal 3 and project from the side wall and located on both sides of the side wall. The finger-like member 9c on one side wall portion of the second chamber 9 is located opposite to the opposing finger-like member 9c on the other side wall portion in a transverse direction in the second chamber 9 with a space therebetween. In addition, two finger-like members from one side wall portion are arranged at intervals in the longitudinal direction of the second chamber 9. The finger-like member 9c can be elastically deformed at the bottom of the second chamber 9 so that the pedestal 3 can be embedded in the second chamber 9 as will be seen later. In the mounted state, the pedestal 3 has the largest diameter at the end of the truncated cone and protrudes from the case 5, and the pedestal 3 is, for example, a cone fixed to the outer pipe that fits in the pedestal 3. It is connected to the outer pipe via the male connection member. Therefore, the pedestal 3 is held not only in the finger-shaped member 9c but also in the frustoconical second chamber 9, and the bent portion of the right-angled elbow-type Hubert needle 1 inserted into the chamber embedded under the skin is , Extending generally along the longitudinal or vertical axis in the generally cylindrically shaped first chamber 8. The inward throat portion is formed in the second chamber 9 between two sets of two adjacent finger-like members 9 c that protrude from the upper surface 5 a of the case 5 and are spaced apart in the longitudinal direction. The role of the throat portion 9d will be described later with reference to FIGS.

  As shown better in FIGS. 8 and 10, the case 5 has an overall bell shape with its pedestal 7, and the lower portion of the wall portion in which the pedestal 3 projects from the wall of the bell. In addition, in order to provide flexibility to the wall so that the case 5 can be adapted to the body area of the patient to be fixed, a sheet-like shape is used for the purpose of freeing most of the pedestal 7 from the wall. It includes a cut-out portion or notch portion 5b located above the pedestal 7. Similarly, the inner portion of the wall portion of the case 5 that is positioned perpendicular to the connecting hinge 20 of the lid 6 in the case 5 and opposite to the wall portion from which the pedestal 3 protrudes is placed on the patient's skin. In order to provide the necessary flexibility in fixing the pedestal, a cutout portion or a cutout portion 5c is included which cuts most of the pedestal 7 from the wall portion to make the wall portion flexible. The remaining part of the base 7 is connected to the other side wall portion of the case 5 connected to the two transverse wall portions in the transverse direction.

  The lid 6 is locked with a known ratchet device in the closed state of the case 5, and the locking device is arranged at the level of the lower edge of the front wall portion 6 a of the lid 6 and the pedestal 3 in the closed state of the lid 6. Can be located at the level of the edge 5d of the case 5 that bears the lower edge of the front wall 6a, including a substantially semi-circular cut 6b.

  As in the previous embodiments, the case 5 and the lid 6 are made of a plastic material and can be formed by molding.

  The installation of the device from FIG. 8 to FIG. 11 is carried out by first fixing the case 5 to the patient's body area with a pedestal 7 with a colloid which can contain antibacterial or disinfectant on the inside. The first chamber 8 is placed vertically on a chamber that is pre-implanted under the skin of the patient. Next, the operator passes through the finger-shaped member 9 c that can be elastically deformed until the base 3 is supported on the bottom of the second chamber 9 so that the operator can hold the finger-shaped member 9 c for supporting the base 3. The base 3 of the Hubert needle 1 is inserted so as to be fitted. At the same time, the vertical portion of the Hubert needle 1 is automatically inserted through the patient's skin and into the implanted chamber. The extraction of the Hubert needle 1 is performed by pulling the Hubert needle 1 and its pedestal 3 upward against the elastic restoring force of the finger-like member 9c after administering the chemotherapy preparation to the patient. .

  After the Hubert needle 1 is inserted into the subcutaneous chamber, the operator closes the lid 6, and the lid 6 is locked to the case 5.

  As described above, the present apparatus prevents the risk of accidental withdrawal of the Hubert needle 1 and significantly reduces the risk of contamination.

As shown in FIGS. 12 and 13, the present apparatus shown in FIGS. 8 to 11 has an outer portion that is forcibly fitted to the base 3 so that an outwardly raised portion 4 a is formed at the free end of the cone. It can be used for the Hubert needle 1 connected to the tube 4. In this case, the raised connection portion 4a is fitted in the throat portion 9d, and the end portion of the truncated cone shape of the pedestal 3 is the second chamber 9 by two finger-like members 9c covering the upper surface of the pedestal 3. The connecting pipe is also covered with another two finger-like members 9 c immediately before leaving the case 5.
Accordingly, the end of the pedestal 3 is stored in a part of the second chamber 9 that communicates with the first chamber 8, so that it does not protrude outside the case 5, and the remaining portion of the pedestal 3 is shown in FIG. 13. As shown, it protrudes into the first chamber 8 along with the vertical portion of the Hubert needle 1 located close to the side surface corresponding to the first chamber 8. Of course, the frustoconical end of the pedestal 3 is sized to be received within the cooperating shape of the second chamber 9 leading to the first chamber 8. The installation and removal of the hubert needle 1 is carried out by the same method as in FIGS.

  In summary, the device of the present invention, which is the subject of each of the above embodiments, can effectively protect the puncture area of the skin from infection, control the puncture point, and use a daily bandage for wound disinfection. Can be avoided.

In addition, the flexibility of the pedestal of the device allows the device to adapt to the patient's body area to be placed, allowing the patient to move more easily and move the body. Bring great comfort. The device also avoids anchoring the catheter to the skin with sutures.
By utilizing colloids for fixing the pedestal to the skin, which can contain antiseptic or antibacterial substances, the risk of infection can be significantly reduced.

1 is a perspective view of an apparatus for securing a catheter to a patient's body according to a first embodiment of the present invention. FIG. FIG. 2 is a perspective view of the device of FIG. 1 from another angle, with no catheter shown. Fig. 2 is a perspective view of the device of Fig. 1 with the lid of the device half open. FIG. 4 is a bottom view of the apparatus of FIGS. 1 to 3. Figure 2 shows a second embodiment of the fixing device of the present invention. FIG. 6 is a perspective view of a third embodiment of the apparatus of the present invention. FIG. 7 is a perspective view of the apparatus of FIG. 6 with the case closed with a lid of the case. FIG. 6 is a perspective view of a fourth embodiment of the apparatus of the present invention. It is a longitudinal direction center sectional view in the IX-IX line of FIG. It is a perspective view from another angle of this apparatus of FIG. It is a longitudinal direction center sectional view in the XI-XI line of this apparatus of FIG. It is a perspective view showing the deformation | transformation use embodiment of this apparatus of FIG. It is a fragmentary sectional view of the longitudinal direction center in XIII-XIII of this apparatus of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Catheter 1a Outer part 2 Vein or artery 3 Base 3a Side wall 3b Small wing part 4 Outer tube 4a Swelling part 5 Case 5a Top surface 5b Notch 5c Notch 5d Edge 6 Lid 6a Front wall part 7 Case fixing base 7a Flat plate portion 7b Arc-shaped portion 8 First chamber 9 Second chamber 9a Side plane 9b Shoulder portion 9c Finger-like member 9d Throat portion 10 Passage 11 Side wall portion 12 Partition portion 13 Swelling portion 13a Inclined side wall portion 13b Flat surface portion 13c Outer side Side surface portion 14 Swelling portion 14a Flat surface portion 15 Longitudinal groove portion 16 Longitudinal groove portion 17 Flexible film 18 Hole portion 19 Slit 20 Hinge

Claims (21)

  1. A case (5) that can be closed with a lid (6);
    A pedestal (7) combined with the case (5) that surrounds the case and allows the case (5) to be fixed to the patient's skin;
    The case (5) is located above the puncture area of the two chambers (8, 9), ie the catheter or the needle (1) that are connected to each other, outside the catheter placed in the vein or artery (2). Allowing the storage of the first chamber (8) traversed by the hubert needle (1) and the pedestal (3) of the catheter or hubert needle (1), which is embedded in the side part (1a) or the patient's body Including the second chamber (9),
    The pedestal (3) is moored in the second chamber (9),
    The pedestal (3) is connected to at least one outer tube (4), which allows liquid to pass through the pedestal (3) through a catheter or hubert needle,
    A device for fixation of a puncture needle, such as a peripheral venous catheter, a central venous catheter or a central arterial catheter (1), or a right angle elbow type Hubert needle to a patient's body.
  2. The pedestal (3) is a fixing device constituting a small tank for connecting the catheter (1) and the outer tube (4),
    The case (5) is flat and the case (5) protrudes from the pedestal (7) at a relatively low height;
    The first chamber (8) and the second chamber (9) are located in substantially the same plane,
    The lid (6) includes two raised portions (13) on its inner plane;
    The two raised portions (13) are both on the pedestal (1) of the catheter (1) at the flat bottom of the second chamber (9), which is also fixed on the patient's skin when the lid (6) is closed. 2. Used for fixing the catheter (1), characterized in that 3) enters the second chamber (9) in order to support the two side surfaces (3 a) from the side respectively. Equipment.
  3.   The two raised portions (13) hold the pedestal (3) of the catheter (1) at the bottom of the second chamber (9) when the lid (6) is closed, so that the pedestal (3 The device according to claim 2, characterized in that it is supported on two winglets (3b) extending on both sides of the side surface (3a).
  4. The first chamber (8) and the second chamber (9) are separated from each other by the partition wall (12),
    The upper surface of the partition wall (12) is located on the upper surface (5a) of the case (5),
    Including a passageway (10) limited to two side walls (11) perpendicular to the bottom of the second chamber (9) and narrowing towards the first chamber (8);
    The pedestal (3) of the catheter (1) has a shape 2 that fits the side wall (11) of the passage (10) so that it can be partially fitted and anchored in the passage (10). Device according to claim 2 or 3, characterized in that it has side surfaces in the form of an extension of the side surfaces of the two raised portions (13).
  5. The bottom of the first chamber (8) consists of a relatively thin membrane (17) fixed on the patient's skin,
    5. Device according to any one of claims 2 to 4, characterized in that it has a catheter base (3) and a hole (18) through which the catheter can pass.
  6.   6. A device according to claim 5, characterized in that the thin membrane (17) comprises a slit (19) originating from the edge defining a hole (18) to be a passage.
  7. The lid (6) includes two other raised portions (14) on the inner surface of the lid (6);
    When the lid (6) is closed, the catheter (1) placed in the vein (2) so as to enter the first chamber (8) and seal most of the first chamber (8). 5) Device according to any one of claims 2 to 4, characterized in that it is arranged on both sides of the outer part (1a) of the body and is supported on the skin of the patient.
  8.   8. A device according to claim 7, characterized in that each bulge (14) comprises a colloid which can contain an antiseptic or antibacterial substance on the surface (14a) in contact with the skin.
  9. Case (5) is connected to the upper surface (5a) of the same case defining the second chamber (9) on the opposite side of the passage (10) between the two chambers (8, 9) for connecting the catheter (1) Comprising at least one longitudinal groove (15) for receiving an outer tube (4) connected to the pedestal (3) of
    The inner surface of the lid (6) also comes above the groove (15) of the case (5) to hold the outer pipe (4) against the case (5) when the lid (6) is closed. Also including at least one longitudinal groove (16),
    9. Device according to any one of claims 2 to 8, characterized in that the tube (4) exiting the case can be connected to means for continuous infusion, transfusion or blood collection of medicines.
  10. The second chamber (9) leads directly into the first chamber (8)
    When the lid (6) is closed, the pedestal of the central arterial catheter (1) can be moored in the case (5) so as to form a containment uniting with the pedestal (3). 9. The device according to claim 2, wherein the device is formed by a hollow portion having a shape that cooperates with the same hollow portion, which is defined between the raised portions (13).
  11. The fixing pedestal (7) of the case (5) is made of a sheet made of a flexible material related to the molding of the case (5),
    In some cases, the membrane (17) of the first chamber (8) and the bottom surface of the second chamber (8) supported on the patient's skin and the surface of the membrane (17) are on the same skin, 7. A device according to any one of the preceding claims, characterized in that it is continuous with the bearing surface of 7).
  12.   12. Device according to claim 11, characterized in that the fixing pedestal (7) of the case (5) comprises at least two support flats (7a) each in the shape of an ear.
  13.   Device according to claim 12, characterized in that the case fixing base (7) comprises four support flats (7a) in the shape of ears.
  14.   Device according to any one of the preceding claims, characterized in that the lid (6) is hingedly connected to the case (5) and can be locked to the case with a ratchet device.
  15.   The fixing base (7) of the case (5) is fixed to the patient's skin with a colloid that can contain an antiseptic or antibacterial substance, according to any one of the preceding claims. apparatus.
  16. The second chamber (9) is formed through the wall surface of the case (5) and communicates directly into the first chamber (8) at the top of the first chamber,
    The second chamber (9) has a U-shaped cross section,
    The side wall extends from the first chamber (8) to accommodate the truncated cone-shaped pedestal (3) having a shape paired with the second chamber (9) for the Hubert needle (1),
    The base (3) of the Hubert needle (1) is exposed on the flat upper surface (5a) of the case (5), and is fixed to each of the side wall portions at the upper portion of the side wall portion of the second chamber (9). Moored in the second chamber with two counter finger members (9c),
    Towards the bottom of the second chamber (9), the opposing finger-like member (9c) can be embedded through the finger-like member (9c) to fit the pedestal (3) in the second chamber (9). Elastically deformable,
    The finger-like member (9c) is used for fixing a right-angled elbow-type Hubert needle, characterized in that it is placed on the pedestal (3) to moor the pedestal (3) in the second chamber. The device described in 1.
  17.   This device is arranged at the upper part of the side wall corresponding to the second chamber (9), and the two finger-like members (9c) that are elastically deformable and spaced apart from each other in the longitudinal direction along the side wall. The device according to claim 16, characterized in that two opposing fingers (9c) are arranged laterally spaced apart from each other.
  18. The throat (9d) is installed in the second chamber (9) between two spaced two fingers (9c),
    The throat (9d) is for connecting the outer pipe (4) at the truncated cone-shaped end of the pedestal (3) of the Huber needle (1) at the mounting position of the Hubert needle (1) in the case (5). 18. Device according to claim 17, characterized in that it is for receiving a bulge (4a).
  19. The overall shape of the case (5) has the shape of a bell, and the second chamber (9) leads to the outside from the wall surface of the case (5).
    The lower part of the case (5) includes a notch (5b) in which the corresponding pedestal (7) of the case (5) is opened to give a certain degree of flexibility to the pedestal (7). 19. A device according to any one of claims 16 to 18, characterized by:
  20.   The wall surface opposite to the wall surface of the case (5) including the notch (5b) similarly includes a notch (5c) for releasing the corresponding part of the pedestal (7) of the case (5). 20. Device according to claim 19, characterized in that this corresponding part of (7) provides a degree of flexibility.
  21.   In order for the case (5) to receive the free end of the Hubert needle (1) secured to the second chamber (9), the first chamber (8) is the true of the chamber embedded under the skin. 21. Device according to any one of claims 16 to 20, characterized in that it is fixed to the patient's body so as to be located above.
JP2006505708A 2003-03-19 2004-03-09 Device for securing a catheter to a patient's body Expired - Fee Related JP4573830B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR0303350A FR2852520B1 (en) 2003-03-19 2003-03-19 Device for fastening the body of a patient of a catheter, such as a peripheral venous catheter, a central venous catheter or a central arterial catheter.
PCT/FR2004/000560 WO2004087250A1 (en) 2003-03-19 2004-03-09 Device for fixing a catheter to the body of a patient

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JP2006520628A true JP2006520628A (en) 2006-09-14
JP4573830B2 JP4573830B2 (en) 2010-11-04

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US (1) US7635354B2 (en)
EP (1) EP1603627B1 (en)
JP (1) JP4573830B2 (en)
AT (1) AT468144T (en)
CA (1) CA2519500C (en)
DE (1) DE602004027221D1 (en)
DK (1) DK1603627T3 (en)
ES (1) ES2350887T3 (en)
FR (1) FR2852520B1 (en)
WO (1) WO2004087250A1 (en)

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Also Published As

Publication number Publication date
CA2519500A1 (en) 2004-10-14
FR2852520A1 (en) 2004-09-24
EP1603627A1 (en) 2005-12-14
CA2519500C (en) 2013-05-21
EP1603627B1 (en) 2010-05-19
JP4573830B2 (en) 2010-11-04
US20070043326A1 (en) 2007-02-22
AT468144T (en) 2010-06-15
WO2004087250A1 (en) 2004-10-14
DE602004027221D1 (en) 2010-07-01
US7635354B2 (en) 2009-12-22
ES2350887T3 (en) 2011-01-27
FR2852520B1 (en) 2009-02-13
DK1603627T3 (en) 2010-09-13

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